Math 112 Final Exam Study Aid Worksheet With Answer Key Page 6
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39Math 112
Final Exam Study Aid
6 of 39
x + 1
for x
1
18. Consider the graph of f (x) =
shown below.
2x
for x > 1
6
y
5
4
3
2
1
x
6
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
Determine the domain and range of this function.
(A) Domain: (
, + )
(B)
Domain: (
, + )
Range: (
, 2)
[1, + )
Range: (
, + )
(C) Domain: ( 1, 1)
(D) Domain: (
, 1)
(1, + )
Range: [1, + )
Range: (
, 2)
[1, + )
19. Suppose that f (x) is an EVEN function, g(x) is an ODD function, and h(x) = g(f (x)).
If f ( 1) = 2 and g( 2) = 2, find h(1).
(A)1
(B)
1
(C) 2
(D)
2
(E) None of the choices A-D
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